AU - Singer DE, Fang MC, Go AS TI - THe international normalized ratio range of 2.0 to 3.0 remains appropriate for atrial fibrillation PT - JOUR DP - 2009 TA - Archives of Internal Medicine pages = {2032}, VI - 169 IP - 21 AID - 10.1001/archinternmed.2009.419 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2009.419 SO - Archives of Internal Medicine November 23, 2009 169(21):2032